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2208/存储过程练习题.md

@@ -281,10 +281,40 @@ CALL calculate_avg_salary_by_job(1);
 
 创建一个存储过程 `get_high_salary_employees`，接受一个工资阈值作为参数，返回所有工资高于该阈值的员工。
 
+```sql
+DELIMITER $$
+DROP PROCEDURE IF EXISTS get_high_salary_employees;
+CREATE PROCEDURE get_high_salary_employees(IN sal DECIMAL(10, 2))
+BEGIN
+	SELECT e.*
+	FROM employee e
+	WHERE e.salary > sal;
+END $$
+DELIMITER ;
+CALL get_high_salary_employees(50000);
+```
+
+
+
 #### 练习题 9: 查询员工工龄
 
 创建一个存储过程 `get_employee_years_of_service`，接受员工ID作为参数，返回该员工的工龄（以年为单位）。
 
+```sql
+DELIMITER $$
+DROP PROCEDURE IF EXISTS get_employee_years_of_service;
+CREATE PROCEDURE get_employee_years_of_service(IN id INT)
+BEGIN
+	SELECT -TIMESTAMPDIFF(YEAR,NOW(),e.hire_date)
+	FROM employee e
+	WHERE e.emp_id = id;
+END $$
+DELIMITER ;
+CALL get_employee_years_of_service(1);
+```
+
+
+
 #### 练习题 10: 查询部门员工总数
 
 创建一个存储过程 `get_department_employee_count`，接受部门ID作为参数，返回该部门的员工总数。